SAC 998346 · Heading 9983

SAC code 998346: Technical testing and analysis services

Technical testing and analysis services. GST 18%, from Notification 11/2017-Central Tax (Rate) as amended, as of 2026-10-21.

Short answer

SAC 998346 is the services accounting code for technical testing and analysis services, under heading 9983 (other professional, technical and business services). GST is 18%: 9% CGST + 9% SGST within a state, or 18% IGST to another state. Rates as of 2026-10-21.

SAC 998346 at a glance

SAC (6 digits)998346
Group (5 digits)99834
Heading (4 digits)9983: Other professional, technical and business services
Section8: Business and production services
DescriptionTechnical testing and analysis services
GST rate18%
Within the state9% CGST + 9% SGST (or UTGST)
To another state18% IGST

Other professional, technical and business services: 18% under 11/2017-CT(R), S. No. 21, item (ii).

Rate entry for SAC 998346

Service rates are set by description in the Table of Notification 11/2017-Central Tax (Rate), heading by heading. The descriptions below summarise each entry; the condition column is part of the rate.

EntryService (summary)GSTCondition
11/2017-CT(R), S. No. 21, item (ii)Other professional, technical and business services18%None

Worked example: a ₹1,000 bill under SAC 998346

Value of service ₹1,000.00. Client in your state: CGST ₹90.00 + SGST ₹90.00 = ₹180.00, bill total ₹1,180.00. Client in another state (place of supply outside your state): IGST ₹180.00, the same total.

The GST calculator does the same split for any amount.

Putting SAC 998346 on your invoice

Notification 78/2020-Central Tax requires at least 4 digits of the SAC (9983) on B2B tax invoices when aggregate turnover in the previous year was up to ₹5 crore, and 6 digits (998346) on all tax invoices above ₹5 crore. Charge CGST and SGST when the place of supply is in your state and IGST when it is in another state. FundRaksha Book keeps the SAC and rate on each service item, so every bill splits the tax correctly and your party ledgers stay up to date.

Other SAC codes under heading 9983

  • SAC 998341: Geological and geophysical consulting services (18%)
  • SAC 998342: Subsurface surveying services (18%)
  • SAC 998343: Mineral exploration and evaluation (18%)
  • SAC 998344: Surface surveying and map-making services (18%)
  • SAC 998345: Weather forecasting and meteorological services (18%)
  • SAC 998347: Certification of ships, aircraft, dams, and the like (18%)
  • SAC 998348: Certification and authentication of works of art (18%)
  • SAC 998349: Other technical and scientific services nowhere else classified (18%)
  • SAC 998311: Management consulting and management services including financial, strategic, human resources, marketing, operations and supply chain management (18%)
  • SAC 998312: Business consulting services including public relations services (18%)
  • SAC 998313: Information technology consulting and support services (18%)
  • SAC 998314: Information technology design and development services (18%)
  • SAC 998315: Hosting and information technology infrastructure provisioning services (18%)
  • SAC 998316: Information technology infrastructure and network management services (18%)
  • SAC 998319: Other information technology services nowhere else classified (18%)
  • SAC 998321: Architectural advisory services (18%)
  • SAC 998322: Architectural services for residential building projects (18%)
  • SAC 998323: Architectural services for non-residential building projects (18%)
  • SAC 998324: Historical restoration architectural services (18%)
  • SAC 998325: Urban planning services (18%)

Sources

Codes and descriptions: GSTN HSN/SAC master (HSN_SAC.xlsx, sheet SAC_MSTR), file dated 13.10.2026, read on 21.10.2026. Rates: Notification 11/2017-Central Tax (Rate) as amended up to Notification 15/2025-Central Tax (Rate) (in force 22.09.2025), with the individual insurance exemptions of Notification 12/2017-Central Tax (Rate) S. Nos. 36C to 36E.

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FAQ

Questions, answered

998346 is the 6-digit services accounting code for technical testing and analysis services. It falls under heading 9983, other professional, technical and business services, in Chapter 99 of the scheme of classification of services annexed to Notification 11/2017-Central Tax (Rate).

This page is general information for Indian businesses, not legal advice for your specific case. Laws, rates and procedures change; speak to an advocate before acting. FundRaksha LegalTech Pvt Ltd is a technology company; legal work is carried out by enrolled advocates.